Perturbed ephemeris below is based on elements from MPEC 2023-F81. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2462640.50000 2462640.1887473 239.62502 153.95020 9.15245 e q a Epoch (TT) 0.1215001 4.0071098 4.56131 2030/05/19.00
m1 = 10.5 + 5 logΔ + 10.0 log r